Laurie Barber, MD, dry eye researcher at the University of Arkansas, offers this advice to listeners: "After age 35, we lose the ability to keep the tear film in top-notch condition without helping it along.

"The prevalence of over-the-counter eye drop use indicates that women are experiencing uncomfortable symptoms that they should discuss with a doctor," said Laurie Barber, MD, Professor of Ophthalmology, University of Arkansas for Medical Sciences.